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| หมวดหมู่สินค้า : |
เครื่องจักร, อุปกรณ์เกี่ยวกับเครื่องจักร, เครื่องมือกล
|
| หมวดหมู่สินค้าย่อย : |
วาล์ว
|
| ยี่ห้อ : | SIEMENS |
| รุ่นสินค้า : | MVF461H |
| ประเภทสินค้า : |
|
| ข้อมูลอัพเดต : | 20/04/2559 10:56 |
รายละเอียดสินค้า/บริการ
The MVF461H..valve types are through-port control valves with fitted magnetic
actuator. The actuator is equipped with connecting electronics for positioning control
and position feedback. When deenergized, the valve is closed.
The short positioning time, high resolution and high rangeability make these valves
ideal for proportional control of district heating stations and heating plant using HTHW
and steam. For closed circuits only.
• Short positioning time (• Selectable valve characteristic: Equal-percentage or linear
• High rangeability
• Selectable standard interface DC 0/2...10 V or DC 0/4...20 mA
• Phase-cut signal input for Staefa controllers
• Position control and position feedback signal
• Wear-free inductive stroke measurement
• Spring return facility: A → AB closed when deenergized
• Low friction, robust and maintenance-free
|
Entered input data |
|
|
Calculated kV-value |
8 m³/h |
|
Medium |
water |
|
Nominal diameter DN |
25 |
|
Connection |
Flange |
|
PN class |
PN 16 |
|
Valve type |
2-port |
|
Technical data |
|
|
PN class |
PN 16 |
|
DN |
25 |
|
kvs |
8.00 m³/h |
|
Operating voltage |
AC 24 V, DC 24 V |
|
Power consumption |
33 VA |
|
Positioning signal |
DC 0...10 V, DC 2...10 V, DC 0...20 mA, DC 4...20 mA, DC 0...20 V Phs |
|
Positioning time |
< 2 s |
|
Spring return function |
A-> AB closed |
|
Position feedback |
DC 0...10 V, DC 2...10 V, DC 0...20 mA, DC 4...20 mA |
|
Degree of protection |
IP31 |
|
Ambient temperature, operation |
-5...45 °C |
|
Mounting position |
Upright to horizontal |
|
Permissible operating pressure |
Water < 120 °C: 1600 kPa |
|
Leakage rate |
< 0.05% of kvs value |
|
Absolute pressure p1 steam |
900.00 kPa abs |
|
Medium temperature |
1...180 °C |
|
Valve characteristic |
Equal-percentage , Linear |
|
Stroke resolution ΔH/H100 |
1:1000 |
|
Material, valve body |
Nodular cast iron EN-GJS-400-18-LT |
|
Material, inside set |
CrNi steel |
|
Δpmax |
1000 kPa |
|
Δps |
1000 kPa |
|
kvs |
8 m³/h |
|
Data sheet |
N4361 |
|
Made by |
SIEMENS |
|
Type |
MVF461H25-8 |
|
Stock no. |
BPZ:MVF461H25-8 |
|
Type reference |
DN |
kVS |
Δpmax |
ΔpS |
Operating voltage |
Positioning |
Spring return |
|
|
|
|
[m3/h] |
[kPa] |
[kPa] |
signal |
time |
||
|
MVF461H15-0.6 |
15 |
0.6 |
1000 |
1000 |
AC / DC 24 V |
DC 0...10 V or DC 2…10 V or DC 0…20 mA or DC 4...20 mA |
< 2 s |
ü |
|
MVF461H15-1.5 |
1.5 |
|||||||
|
MVF461H15-3 |
3 |
|||||||
|
MVF461H20-5 |
20 |
5 |
||||||
|
MVF461H25-8 |
25 |
8 |
||||||
|
MVF461H32-12 |
32 |
12 |
||||||
|
MVF461H40-20 |
40 |
20 |
||||||
|
MVF461H50-30 |
50 |
30 |
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